§ EQUITY
USDSI
SHOULDER INNOVATIONS INC
USD
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| Fidelity Management | 3.7M | 0.0% | −2% |
| SECTORAL ASSET MANAGEMENT INC | 430K | 5.2% | −13% |
| VANGUARD CAPITAL MANAGEMENT LLC | 413K | 0.0% | n/a |
| VANGUARD CAPITAL MANAGEMENT LLC | 413K | 0.0% | n/a |
| BlackRock, Inc. | 331K | 0.0% | +79% |
| TimesSquare Capital Management, LLC | 323K | 0.1% | +11% |
◇ AC INTELLIGENCE
Top institutional owners for SI as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
QUALITY / COMPOUNDER46.7% · 3 holders
OTHER34.0% · 29 holders
PASSIVE / INDEX9.5% · 6 holders
DEALER / BANK7.1% · 15 holders
TACTICAL / MACRO2.6% · 2 holders
INCOME / DEFENSIVE0.1% · 3 holders
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for SI in the last 180 days.